For me the Kai blade doesn't do it in most of my favourite razors, I'm going to give one a go with the 2020 to see if what gives.
The blades that work best in my Rocnel razors are: Feather - Personna lab blue - Polsilver super iridium - Wizamet Super iridium - Gillette Rubie Plus
The blades that work best in my Rocnel razors are: Feather - Personna lab blue - Polsilver super iridium - Wizamet Super iridium - Gillette Rubie Plus
“It's still a personal opinion, so do/don't take advantage of it....”